package businesslogicservice;
import po.*;

public interface UserBLService {
	public boolean login(String username, String password);	
	public void addUser(String username, String password, String name, UserRole role);	
	public void updateUser(String username, String password, String name, UserRole role);
	public UserPO findUser(String username);
	public void deleteUser(String username);
	public void logout(String username);
}
